[PATCH] i386: Kprobe rpl fix

Kprobes bugfix for paravirt compatibility - RPL on the CS when inserting
BPs must match running kernel.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andi Kleen <ak@suse.de>
CC: Eric Biederman <ebiederm@xmission.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index b85cfa3ce1dd..b545bc746fce 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -408,7 +408,7 @@ fastcall void *__kprobes trampoline_handler(struct pt_regs *regs)
         spin_lock_irqsave(&kretprobe_lock, flags);
         head = kretprobe_inst_table_head(current);
         /* fixup registers */
-        regs->xcs = __KERNEL_CS;
+        regs->xcs = __KERNEL_CS | get_kernel_rpl();
         regs->eip = trampoline_address;
         regs->orig_eax = 0xffffffff;